Yuanjiang Railway Bridge and Nanxihe Railway Bridge元江大桥和南溪河大桥 HD

Yuanjiang Railway Bridge,154m pier,the tallest railway bridge in the world: http://www.highestbridges.com/wiki/index.php?title=Yuanjiang_Railway_Bridge Nanxihe Railway Bridge,125m pier,the tallest 4 track railway bridge in the world: http://www.highestbridges.com/wiki/index.php?title=Nanxihe_Railway_Bridge can see 165m high Honghe Bridge in Kunming-Bangkok Expressway parallel Yuanjiang Railway Bridge: http://www.highestbridges.com/wiki/index.php?title=Honghe_Bridge and about 90m high Hongguang Bridge(the highest interchange bridge in the world)beneath Nanxihe Railway Bridge: http://www.highestbridges.com/wiki/index.php?title=Hongguang_Bridge All these 4 bridges belong Kunming to Bangkok railway and expressway,located in Yuanjiang county,Yunnan province.